New Schutt Tucci XR1 AiR Baseball Batter's Helmet Senior OSFM Matte Black does not effect the operation of the zipper. and leg muscles Inflates up Constructed from Rawlings world and leg muscles Inflates up to 24 inches Pump is included The washable polyester webbing upper features the odor reducing Aegis Microbe Shield EPP (Expanded Polypropylene) advanced protection system that's significantly lightest than the traditional foam without sacrificing performance 3 LAYER PROTECTION distributes the load and energy of impacts across the entirety of the helmet shell effectively dissipating the energy away from the player MAXIMUM AIR FLOW designed and formed to ventilate heat from the head to maximize performance and air flow throughout the helmet Low profile XR helmet shell made with high performance PCA Temporal wing design adds strength and durability to the shell